Sentinel - Systems/Principal Systems Engineer - 17020*

Company: Northrop Grumman
Location: Manhattan Beach
Posted on: April 1, 2026

Job Description:

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. Northrop Grumman Defense Systems currently has an opening for a Systems Engineer or Principal Systems Engineer . This position will be in Roy, UT, Bellevue, NE, Colorado Springs, CO, Huntsville, AL or Manhattan Beach, CA and will support the Sentinel (GBSD) program. Northrop Grumman supports the Air Force’s sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure. What you will get to do : The selected engineer will be responsible for: Model-Based Systems Engineering (MBSE), development of requirements and multiple system engineering models Coordination & collaboration with the System Engineering and Command & Launch Segment System Engineering Teams Supporting system, segment, element and unit level trade studies Definition of high-level functional and performance requirements and verification methods, subsequent analysis, decomposition, and derivation of requirements, allocation of those lower-level requirements to physical and functional architectural elements, and tracking them through design, verification, integration, and operational validation Supporting a team of engineers to create, mature and present comprehensive and cohesive technical charts representative of the appropriate level of maturation for any given milestone meeting and demonstrating team readiness in relation to achieving the milestone entrance and exit criteria Identifying required contractual deliverables and non-contractual documentation and driving corresponding updates to closure Coordinating and collaborating with diverse engineering design teams to assist in managing the technical baseline This position may be filled at level 2 or level 3 depending upon the qualifications of the applicant. Basic Qualifications : Systems Engineer (level 2): Bachelor of Science degree in STEM (Science, Technology, Engineering and Math) discipline and 2 years of experience; 0 years with master’s degree. Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs 1 year of experience developing or reviewing requirements within DOORS or similar tool 1 year of experience in ICBM (MMIII or Sentinel) OR complex aerospace/defense systems Principal Systems Engineer (level 3): Bachelor’s degree in STEM with 5 years’ experience; 3 years’ experience with a Masters’ degree in STEM; or 1 years’ experience with a PhD. Management experience can be considered ‘in lieu’ of a degree. Must be a US Citizen with an active DoD Secret Clearance with an investigation date within the last 6 years. Must be able to be successfully screened for Enhanced Security Clearances, within a reasonable amount of time as determined by the company to meet its business needs 2 years of experience developing or reviewing requirements within DOORS or similar tool 2 years of experience in ICBM (MMIII or Sentinel) OR complex aerospace/defense systems Preferred Qualifications : Understanding of the Systems Engineering V-Model Experience with requirements management tools such as DOORS Experience in SysML or UPDM modeling languages Proficiency with the DoDAF, UAF, or other modeling frameworks Experience modeling with Cameo Enterprise Architecture, MagicDraw (No Magic, Inc.) or other architecture modeling tools Experience using tools to model large systems with multiple developers Experience in Software and/or Hardware design Experience in documenting Interface Control Documents, Interface Requirement Specifications, and Interface Description Documents Experience in the military aerospace development environment Experience with weapon systems Experience exporting documentation out of a model-based environment Experience with Agile Development Experience with ICBM weapon system sustainment engineering and integration Experience with complex system development on large programs Position Benefits : As a full-time employee of Northrop Grumman, you are eligible for our robust benefits package including: Medical, Dental & Vision coverage 401k Educational Assistance Life Insurance Employee Assistance Programs & Work/Life Solutions Paid Time Off Health & Wellness Resources Employee Discounts This position’s standard work schedule is 9/80. The 9/80 schedule allows employees who work a nine-hour day Monday through Thursday to take every other Friday off. SentinelSystems Primary Level Salary Range: $79,300.00 - $131,400.00 Secondary Level Salary Range: $98,400.00 - $163,200.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

Keywords: Northrop Grumman, Colton , Sentinel - Systems/Principal Systems Engineer - 17020*, Engineering , Manhattan Beach, California